Signal device.



H. J. HEENEY.

SIGNAL DEVICE.

APPLIGATION FILED 0012.10, 1907,

9313604, Patented Aug. 17, 1909. f

BREAK THE inuiiy closed by :i willi portion oi easily deslructible material such us glass; a support oi insulating nuitcrisii within the euse, Said support having n recess extending inward :troni the front, und nn opening of Smaller diameter nt the bottom of seid recess; Contact springs mounted on the back of said support; :t bridging piece overlying said Contact springs, and mounted on a stem projecting through seid support into Contact With thel destructible wail port-ion; and :t spring contained in the recess to draw the bridging piece into eontuct with the Contact springs upon the destruction of said Well.

Q. A signaling device comprising :t closed cese; :i support of insulating materiel Within the ease; nornuii-iy separated contnet springs mounted on the buck of said support; n spring actuated bridging piece adapted to bridge said Contact springs; :L destruetible wall holding said bridging piece out or" bridging Contact; an lopening' through the cest; an opening through the insulating snpport in aiinenient therewith and Wit-h one of the contaet springs; a projection of conduct ing material extending from the other contuet spring into n recess in the front of the support adjacent to said opening; and a testing keyhaving a shank adapted to extend through said opening :ind a lateral projection adapted to be brought into engagementwith Suid project-ion when the key is turned. In testimony whereof, I have signed my nznne to this specification in the presence of two subscribing Witnesses.

IiENRY J. HEENEY.

y Wvitnesses:

E.v ConnLNnr, JAsfJ. MALoNnY. 

